condition	mean	min	max
4 h after light	8.481989500000001	8.129346	8.834633
8 h after light	8.5665655	8.093697	9.039434
12 h after light	8.9736265	8.91737	9.029883
4 h after dark	9.877561	9.158892	10.59623
8 h after dark	8.91737	8.91737	8.91737
12 h after dark	8.382279	8.382279	8.382279